過去完成時第一課時

1、肯定句：have/has + done否定句：have/has not + done一般疑問句：Have/has . done?Present Perfect Tense 現(xiàn)在完成時肯定句：had not + done一般疑問句：Past Perfect Tense 過去完成時had + done否定句Had . done?Yes, had.No, hadnt.特殊疑問句：疑問詞had done ?Kobe Bryant had already won three NBA Champions with Shaq ONeal before he won the fourth one in 200

2、9.The Walt Disney Company had already owned 5 Disney Land by 2016 when the one in Shanghai started running. 過去完成時概念概念：過去完成時表示在過去某一時間或動作之前已經(jīng)發(fā)生或完成了的動作，即“過去的過去”。They were put into boxes.Then they were sent to Madagascar.They had been put into boxes before they were sent to Madagascar.過去完成時的判斷依據(jù):1.由時間狀語

3、來判定(1)by + 過去的時間點。如： No rabbit had been police officer by 2010.(2) by the end of + 過去的時間點。如：過去的時間點。如： Monkey King had been locked up for 500 years by the end of his prison term.Turing had broken the Enigma (德軍密碼系統(tǒng)) before the time of 1945.From The Imitation Game(3) before + 過去的時間點。如：過去的時間點。如： 2.沒有明顯

4、的時間狀語，由沒有明顯的時間狀語，由“過去的過去過去的過去”來判定來判定：(1)賓語賓語從句中從句中: 在在told, said, knew, heard, thought等動詞后的賓語從句。如：等動詞后的賓語從句。如： He said that they had got a vault(金庫金庫) set.The little prince had left before the man fixed his plane.(2) 主主、從句的動作發(fā)生有先后關(guān)系，、從句的動作發(fā)生有先后關(guān)系，動作在前動作在前的，要用過去完成時的，要用過去完成時，動作在后的要用一般過去，動作在后的要用一般過去時。時

5、。如：如： McQueen went to the small town.Dr. Hudson was a race car.Dr. Hudson had been a race car when McQueen went to the small town.過去過去完成時的主要用法完成時的主要用法 1.表示表示一個一個動作在動作在過去某一時間或動作之前已經(jīng)完成過去某一時間或動作之前已經(jīng)完成或結(jié)束，即發(fā)生在或結(jié)束，即發(fā)生在“過去的過去過去的過去”。如。如：They went into the underground world.Dinosaurs have lived in the under

6、ground world for many years.When they went into the underground world, they found that dinosaurs had lived in the underground world for many years.4. 過去完成時表示某一動作或狀態(tài)在過去某時之前過去完成時表示某一動作或狀態(tài)在過去某時之前已經(jīng)開始，一直延續(xù)到這一過去時間，而且動作尚未已經(jīng)開始，一直延續(xù)到這一過去時間，而且動作尚未結(jié)束，仍然有繼續(xù)下去的可能。結(jié)束，仍然有繼續(xù)下去的可能。如如:1.When I _(arrive) at the stati

7、on, he _ (leave)2.We _(learn) about 4000 English words by the end of last term.3. I waited until he _(finish) his homework.4. We were surprised at what she _already _(do)5.She _(not go) to Qingdao because she _ (be) there before.6. He _(not tell) you the news yet.7. He said he _already_(give) the book to the teacher.8. I _(be) to Shanghai before.9. She told me she _(be) to Sanya three times.10.She _(play) the guitar while her sister_ (sing).